Computer server



FIG. 1 is a front, left perspective view of the computer server;

FIG. 2 is a front, right perspective view of the computer server;

FIG. 3 is a front view of the computer server;

FIG. 4 is a left side view of the computer server;

FIG. 5 is a right side view of the computer server;

FIG. 6 is a top plan view of the computer server; and,

FIG. 7 is a rear view of the computer server.

The bottom plan view of the computer server is identical to FIG. 6. 

The ornamental design for a computer server, as shown and described. 